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SM是一款低成本、貼片式的MHz石英晶體，該產(chǎn)品可滿足在-40℃~+85℃的標(biāo)準(zhǔn)工作溫度范圍內(nèi)提供常溫±10ppm的頻率公差，適用于智能家居、消費(fèi)類電子、測(cè)試設(shè)備等應(yīng)用場(chǎng)景中。

**Electrical Specifications**
Item	Symb.	Min.	Typ.	Max.	Unit	Notes
Frequency Range	Freq.	3.200		48.000	MHz
Oscillation Mode		Fundamental（AT-cut）
Frequency Tolerance	△f/f			±10	ppm	at 25℃±2℃
Operating Temperature	T_use	-20		70	℃
Operating Temperature	T_use	-40		85	℃
Storage Temperature Range	T_sta	-55		125	℃
Shunt Capacitance	C0			7	pF
Drive Level	DL		100	500	μW
Load Capacitance	CL	8		20	pF
Equivalent Series Resistance	ESR			150	Ω	3.200MHz≤ Freq. ＜3.579MHz
				120	Ω	3.579MHz≤ Freq. ＜4.000MHz
				100	Ω	4.000MHz≤ Freq. ＜5.000MHz
				80	Ω	5.000MHz≤ Freq. ＜6.000MHz
				60	Ω	6.000MHz≤ Freq. ＜10.000MHz
				35	Ω	10.000MHz≤ Freq. ＜14.000MHz
				30	Ω	14.000MHz≤ Freq.＜20.000MHz
				25	Ω	20.000MHz≤ Freq. ≤ 48.000MHz
Insulation Resistance	IR			500	MΩ	at DC 100V
Aging	f_age			3	ppm	1st. Year at 25℃

**Mechanical Dimensions**

**Frequency Stability & Operating Temperature Range**
Operating Temperature Range	Frequency Stability
Operating Temperature Range	±10ppm	±15ppm	±20ppm	±30ppm
-20℃ to +70℃	▲	★	★	★
-40℃ to +85℃		▲	★	★
★：Available ▲：Conditional

**Selection Guide**
需求描述
選擇需要的封裝規(guī)格及產(chǎn)品系列：HC-49S/SMD；SM Series 選擇需要的頻率：3.579545MHz 確定晶體的負(fù)載電容值（CL）：20pF 選擇需要的精度：±20ppm 選擇需要的工作溫度范圍：-40℃~+85℃ 您需要的產(chǎn)品是：SM Series 3.579545MHz 20pF ±20ppm -40℃~+85℃
標(biāo)稱頻率及常規(guī)負(fù)載電容（CL）值參考
Nominal Frequency [MHz]	Load Capacitance[CL ,Styp.]	Nominal Frequency [MHz]	Load Capacitance[CL ,Styp.]
3.579545	10pF；12pF；15pF；20pF	13.560	10pF；12pF；15pF；20pF
3.6864	10pF；12pF；15pF；20pF	16.000	10pF；12pF；15pF；20pF
4.000	10pF；12pF；15pF；20pF	20.000	10pF；12pF；15pF；20pF
4.096	10pF；12pF；15pF；20pF	24.000	10pF；12pF；15pF；20pF
4.9152	10pF；12pF；15pF；20pF	24.576	10pF；12pF；15pF；20pF
5.5296	10pF；12pF；15pF；20pF	25.000	10pF；12pF；15pF；20pF
6.000	10pF；12pF；15pF；20pF	27.000	10pF；12pF；15pF；20pF
6.7458	10pF；12pF；15pF；20pF	27.120	10pF；12pF；15pF；20pF
7.3728	10pF；12pF；15pF；20pF	30.000	10pF；12pF；15pF；20pF
8.000	10pF；12pF；15pF；20pF	32.000	10pF；12pF；15pF；20pF
10.000	10pF；12pF；15pF；20pF	36.000	10pF；12pF；15pF；20pF
11.0592	10pF；12pF；15pF；20pF	40.000	10pF；12pF；15pF；20pF
12.000	10pF；12pF；15pF；20pF	48.000	10pF；12pF；15pF；20pF
12.288	10pF；12pF；15pF；20pF
13.52127	10pF；12pF；15pF；20pF

產(chǎn)品信息